JWT vs Southbend Clutch/flywheel set-up

12nismo · 03-19-2014, 05:47 PM

UPDATE: I went with the Southbend Stage 2 daily with 14.5lb aluminum flywheel and couldn't be happier

O&G · 03-19-2014, 05:54 PM

Been running JWT products in my VQ's for over 8 years, Awesome! Everyone on here seems to lean towards Southbend, either way, they both have great reviews and customer service.

N0SL3N · 04-03-2014, 06:02 PM

I just upgraded to the southbend stage 2 daily from ZSpeed with the 19 lbs steel flywheel and cannot believe how much better it drives. Now just need to put some break-in miles on it before I can really test it out.

Also I have it combined with the RJM clutch pedal which I also highly recommend. Lets you dial in the engagement zone right where you like it!!

Joepro · 04-03-2014, 10:29 PM

break in is over rated IMO, do some heat cycles and some light stop and go traffic and let it rip, just pulled my clutch out after 25k hard miles, the last 1k boosted and it looked good, I upgraded it to a better disk, one of the daily disks with a higher TQ capacity.

forza370z · 01-03-2015, 03:50 AM

So JWT vs Southbend vs SZ, which kit is the best? I concern more on the drivability, performance and durability. I assume all the lw flywheels will have some noises. I am cool with that.

And what's the differences between the Southbend stage 2 daily and stage 3 daily. I know one rated 450 and the other rated 550. But how's the drivability between the 2 kits?

MJB · 01-03-2015, 04:15 AM

Quote:

Originally Posted by forza370z

So JWT vs Southbend vs SZ, which kit is the best? I concern more on the drivability, performance and durability. I assume all the lw flywheels will have some noises. I am cool with that.

And what's the differences between the Southbend stage 2 daily and stage 3 daily. I know one rated 450 and the other rated 550. But how's the drivability between the 2 kits?

I've had both the JWT and Southbend stage 2 setup. They both pretty much felt the same, and drivability is pretty much just like stock. The only time I could really tell I had an aftermarket clutch was when I would power shift or dump the clutch, it grabbed a lot harder than the stock setup. I also had the Southbend lightened flywheel. It was 22lbs (stock is 31lbs).. it was a little noisy when sitting at idle, but while you're driving you won't be able to hear it. Plus it revs up so much faster than the stock crap.

Zoren 370 · 01-03-2015, 09:30 AM

Quote:

Originally Posted by 12nismo

UPDATE: I went with the Southbend Stage 2 daily with 14.5lb aluminum flywheel and couldn't be happier

Hello man, how is the FI project? Can you give us more review on the Southbend Stage 2? Thanks

tonythetiger · 01-03-2015, 10:40 AM

i got the same set up no complaints here

Merv · 01-03-2015, 11:39 AM

So from the looks of it,there's about 3 options for aluminum flywheels. Of coarse the lighter the better performance wise. I'm assuming the heavier you go,the less "chatter" you get because of more material to absorb the vibrations. So anything lighter than stock is a win,and with the heavier of the aluminum flywheels would be more street friendly?

forza370z · 01-03-2015, 12:22 PM

Quote:

Originally Posted by MJB

I've had both the JWT and Southbend stage 2 setup. They both pretty much felt the same, and drivability is pretty much just like stock. The only time I could really tell I had an aftermarket clutch was when I would power shift or dump the clutch, it grabbed a lot harder than the stock setup. I also had the Southbend lightened flywheel. It was 22lbs (stock is 31lbs).. it was a little noisy when sitting at idle, but while you're driving you won't be able to hear it. Plus it revs up so much faster than the stock crap.

Great info as always.

Do you know how heavy is the JWT flywheel? Is it aluminum or steel? Also are both JWT and Sounthbent stage 2 kit can hold similar amount of power?

tranceformer · 01-06-2015, 11:35 PM

Quote:

Originally Posted by forza370z

Great info as always.

Do you know how heavy is the JWT flywheel? Is it aluminum or steel? Also are both JWT and Sounthbent stage 2 kit can hold similar amount of power?

I've had the JWT aluminum flywheel, it's about 16 lb.

Now I have the Southbend steel flywheel, iirc that one is about 21 lb.

Zoren 370 · 01-06-2015, 11:54 PM

^ which one do you like most? The JWT or the southbend?
Why the switch to a light weight to a 21lbs?

wsarver · 01-07-2015, 08:45 AM

Quote:

Originally Posted by Zoren 370

^ which one do you like most? The JWT or the southbend?
Why the switch to a light weight to a 21lbs?

I'd be willing to bet its chatter. Going to something heavier has no performance benefit so I'm assuming its to quiet things down a little.

forza370z · 01-07-2015, 09:23 AM

Quote:

Originally Posted by tranceformer

I've had the JWT aluminum flywheel, it's about 16 lb.

Now I have the Southbend steel flywheel, iirc that one is about 21 lb.

Do you feel the performance differences between the two?

forza370z · 01-07-2015, 09:28 AM

Also for you guys have JWT or Southbend for years, do you have thrust bearing issue or did you guys bypass the clutch start switch as you will dry start the bearing?

03-19-2014, 05:47 PM	#16 (permalink)
12nismo Base Member Join Date: Apr 2012 Location: Houston, TX Posts: 153 Drives: 2012 370z nismo Rep Power: 15	UPDATE: I went with the Southbend Stage 2 daily with 14.5lb aluminum flywheel and couldn't be happier tonythetiger, Zoren 370, Joepro and 1 others like this. __________________ nismo Z34 12 0209 JTran Motorsports//Stillen//Fast Intentions//EcuTek//Z1 Motorsports//Eibach//BRIDE //Zspeed//Carbon Signal//Houston Halos//Southbend//Whiteline//TWM//NonStopTuning//Doran Racing

03-19-2014, 05:54 PM	#17 (permalink)
O&G A True Z Fanatic Join Date: Nov 2010 Location: Lone Star State Age: 42 Posts: 1,212 Drives: 40th Anv. Rep Power: 23	Been running JWT products in my VQ's for over 8 years, Awesome! Everyone on here seems to lean towards Southbend, either way, they both have great reviews and customer service. __________________ O&G's Build/Journal <---(1st lowmount single turbo treeseventy) Built Engine Thread 2011 F-250 Build/Journal

04-03-2014, 06:02 PM	#18 (permalink)
N0SL3N Enthusiast Member Join Date: Dec 2011 Location: Toronto Posts: 376 Drives: 2009 PG 370z 6MT Rep Power: 35	I just upgraded to the southbend stage 2 daily from ZSpeed with the 19 lbs steel flywheel and cannot believe how much better it drives. Now just need to put some break-in miles on it before I can really test it out. Also I have it combined with the RJM clutch pedal which I also highly recommend. Lets you dial in the engagement zone right where you like it!! __________________ \| Akuma \| Motordyne \| Z1 \| NST \| CNT \| Stillen \| Avant Garde \| RJM \| Performix \| Tint \| LED \| GTR \| Nissan \|

04-03-2014, 10:29 PM	#19 (permalink)
Joepro A True Z Fanatic Join Date: Aug 2012 Location: Athens ohio Posts: 1,213 Drives: Company car Rep Power: 34	break in is over rated IMO, do some heat cycles and some light stop and go traffic and let it rip, just pulled my clutch out after 25k hard miles, the last 1k boosted and it looked good, I upgraded it to a better disk, one of the daily disks with a higher TQ capacity. infamousAXEL likes this. __________________ Swift\|Koni\|SPC\| FI CBE\|Z1\|Stillen\|Sbend\|Zspeed\|R/T Tuned\|523 whp\|458 tq\|10.5 psi\|SOLD Joepro's Journal\|Joepro's Boosted Performance Build \|Pittsburgh-Western-Pa-Ohio-Wv-Group

01-03-2015, 03:50 AM	#20 (permalink)
forza370z A True Z Fanatic Join Date: Oct 2011 Location: 403 Forbidden Posts: 2,512 Drives: 2009 NISMO 370Z Rep Power: 19	So JWT vs Southbend vs SZ, which kit is the best? I concern more on the drivability, performance and durability. I assume all the lw flywheels will have some noises. I am cool with that. And what's the differences between the Southbend stage 2 daily and stage 3 daily. I know one rated 450 and the other rated 550. But how's the drivability between the 2 kits? __________________ 09 PW 370z Nismo \| K&N Drop Ins \| HKS Hi Power \| Berk HFCs \| Work Meister S1 3P \| Project Kics R40 Neo Chrome Lug Nuts \| KW V1 \| SPC rear camber arms/toe bolts \| Southbend Stage 3 daily clutch \| Southband 19Ib Steel Flywheel \| ZSpeed CSC

01-03-2015, 10:40 AM	#23 (permalink)
tonythetiger A True Z Fanatic Join Date: Oct 2010 Location: SA, TX Posts: 1,035 Drives: 10 Nissan 370z PG MT Rep Power: 193	i got the same set up no complaints here __________________ KWV3/Eibach/StillenG3/FI CBE+LTH+34Row/Uprev/SPL/SouthBendSS/QuaifeLSD/4.08/TommyKaira/Status/VolkZE40/AP Radical BBK/Seibon/Amuse/VIS/Sparco/WorksBellGTC/RJM/Nismo

01-03-2015, 11:39 AM	#24 (permalink)
Merv Track Member Join Date: Dec 2013 Location: Vancouver B.C Posts: 518 Drives: 11 GM grey sport tou Rep Power: 15	So from the looks of it,there's about 3 options for aluminum flywheels. Of coarse the lighter the better performance wise. I'm assuming the heavier you go,the less "chatter" you get because of more material to absorb the vibrations. So anything lighter than stock is a win,and with the heavier of the aluminum flywheels would be more street friendly? __________________ Swift springs \| upgraded headlights \| stillen gen3 cai \| FI HFC's and FI CBE \| ecutek tune in the mail!

01-06-2015, 11:54 PM	#27 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913653	^ which one do you like most? The JWT or the southbend? Why the switch to a light weight to a 21lbs?

01-07-2015, 09:28 AM	#30 (permalink)
forza370z A True Z Fanatic Join Date: Oct 2011 Location: 403 Forbidden Posts: 2,512 Drives: 2009 NISMO 370Z Rep Power: 19	Also for you guys have JWT or Southbend for years, do you have thrust bearing issue or did you guys bypass the clutch start switch as you will dry start the bearing? __________________ 09 PW 370z Nismo \| K&N Drop Ins \| HKS Hi Power \| Berk HFCs \| Work Meister S1 3P \| Project Kics R40 Neo Chrome Lug Nuts \| KW V1 \| SPC rear camber arms/toe bolts \| Southbend Stage 3 daily clutch \| Southband 19Ib Steel Flywheel \| ZSpeed CSC

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